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GdipDrawImagePointRect

関数
画像の指定領域を切り出して指定座標に描画する。
DLLgdiplus.dll呼出規約winapi

シグネチャ

// gdiplus.dll
#include <windows.h>

Status GdipDrawImagePointRect(
    GpGraphics* graphics,
    GpImage* image,
    FLOAT x,
    FLOAT y,
    FLOAT srcx,
    FLOAT srcy,
    FLOAT srcwidth,
    FLOAT srcheight,
    Unit srcUnit
);

パラメーター

名前型方向説明
graphicsGpGraphics*inout描画先のGDI+グラフィックスオブジェクトへのポインタ。
imageGpImage*inout描画する画像オブジェクトへのポインタ。
xFLOATin描画先左上隅のX座標(浮動小数)。
yFLOATin描画先左上隅のY座標(浮動小数)。
srcxFLOATin元画像内の切り出し開始X座標(浮動小数)。
srcyFLOATin元画像内の切り出し開始Y座標(浮動小数)。
srcwidthFLOATin元画像から切り出す幅(浮動小数)。
srcheightFLOATin元画像から切り出す高さ(浮動小数)。
srcUnitUnitin元矩形の座標単位を示すUnit列挙値。

戻り値の型: Status

各言語での呼び出し定義

// gdiplus.dll
#include <windows.h>

Status GdipDrawImagePointRect(
    GpGraphics* graphics,
    GpImage* image,
    FLOAT x,
    FLOAT y,
    FLOAT srcx,
    FLOAT srcy,
    FLOAT srcwidth,
    FLOAT srcheight,
    Unit srcUnit
);
[DllImport("gdiplus.dll", ExactSpelling = true)]
static extern int GdipDrawImagePointRect(
    IntPtr graphics,   // GpGraphics* in/out
    IntPtr image,   // GpImage* in/out
    float x,   // FLOAT
    float y,   // FLOAT
    float srcx,   // FLOAT
    float srcy,   // FLOAT
    float srcwidth,   // FLOAT
    float srcheight,   // FLOAT
    int srcUnit   // Unit
);
<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipDrawImagePointRect(
    graphics As IntPtr,   ' GpGraphics* in/out
    image As IntPtr,   ' GpImage* in/out
    x As Single,   ' FLOAT
    y As Single,   ' FLOAT
    srcx As Single,   ' FLOAT
    srcy As Single,   ' FLOAT
    srcwidth As Single,   ' FLOAT
    srcheight As Single,   ' FLOAT
    srcUnit As Integer   ' Unit
) As Integer
End Function
' graphics : GpGraphics* in/out
' image : GpImage* in/out
' x : FLOAT
' y : FLOAT
' srcx : FLOAT
' srcy : FLOAT
' srcwidth : FLOAT
' srcheight : FLOAT
' srcUnit : Unit
Declare PtrSafe Function GdipDrawImagePointRect Lib "gdiplus" ( _
    ByVal graphics As LongPtr, _
    ByVal image As LongPtr, _
    ByVal x As Single, _
    ByVal y As Single, _
    ByVal srcx As Single, _
    ByVal srcy As Single, _
    ByVal srcwidth As Single, _
    ByVal srcheight As Single, _
    ByVal srcUnit As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

GdipDrawImagePointRect = ctypes.windll.gdiplus.GdipDrawImagePointRect
GdipDrawImagePointRect.restype = ctypes.c_int
GdipDrawImagePointRect.argtypes = [
    ctypes.c_void_p,  # graphics : GpGraphics* in/out
    ctypes.c_void_p,  # image : GpImage* in/out
    ctypes.c_float,  # x : FLOAT
    ctypes.c_float,  # y : FLOAT
    ctypes.c_float,  # srcx : FLOAT
    ctypes.c_float,  # srcy : FLOAT
    ctypes.c_float,  # srcwidth : FLOAT
    ctypes.c_float,  # srcheight : FLOAT
    ctypes.c_int,  # srcUnit : Unit
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipDrawImagePointRect = Fiddle::Function.new(
  lib['GdipDrawImagePointRect'],
  [
    Fiddle::TYPE_VOIDP,  # graphics : GpGraphics* in/out
    Fiddle::TYPE_VOIDP,  # image : GpImage* in/out
    Fiddle::TYPE_FLOAT,  # x : FLOAT
    Fiddle::TYPE_FLOAT,  # y : FLOAT
    Fiddle::TYPE_FLOAT,  # srcx : FLOAT
    Fiddle::TYPE_FLOAT,  # srcy : FLOAT
    Fiddle::TYPE_FLOAT,  # srcwidth : FLOAT
    Fiddle::TYPE_FLOAT,  # srcheight : FLOAT
    Fiddle::TYPE_INT,  # srcUnit : Unit
  ],
  Fiddle::TYPE_INT)
#[link(name = "gdiplus")]
extern "system" {
    fn GdipDrawImagePointRect(
        graphics: *mut GpGraphics,  // GpGraphics* in/out
        image: *mut GpImage,  // GpImage* in/out
        x: f32,  // FLOAT
        y: f32,  // FLOAT
        srcx: f32,  // FLOAT
        srcy: f32,  // FLOAT
        srcwidth: f32,  // FLOAT
        srcheight: f32,  // FLOAT
        srcUnit: i32  // Unit
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipDrawImagePointRect(IntPtr graphics, IntPtr image, float x, float y, float srcx, float srcy, float srcwidth, float srcheight, int srcUnit);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipDrawImagePointRect' -Namespace Win32 -PassThru
# $api::GdipDrawImagePointRect(graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit)
#uselib "gdiplus.dll"
#func global GdipDrawImagePointRect "GdipDrawImagePointRect" sptr, sptr, float, float, float, float, float, float, sptr
; GdipDrawImagePointRect varptr(graphics), varptr(image), x, y, srcx, srcy, srcwidth, srcheight, srcUnit   ; 戻り値は stat
; graphics : GpGraphics* in/out -> "sptr"
; image : GpImage* in/out -> "sptr"
; x : FLOAT -> "float"
; y : FLOAT -> "float"
; srcx : FLOAT -> "float"
; srcy : FLOAT -> "float"
; srcwidth : FLOAT -> "float"
; srcheight : FLOAT -> "float"
; srcUnit : Unit -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。
出力引数: 
#uselib "gdiplus.dll"
#cfunc global GdipDrawImagePointRect "GdipDrawImagePointRect" var, var, float, float, float, float, float, float, int
; res = GdipDrawImagePointRect(graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit)
; graphics : GpGraphics* in/out -> "var"
; image : GpImage* in/out -> "var"
; x : FLOAT -> "float"
; y : FLOAT -> "float"
; srcx : FLOAT -> "float"
; srcy : FLOAT -> "float"
; srcwidth : FLOAT -> "float"
; srcheight : FLOAT -> "float"
; srcUnit : Unit -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。
出力引数: 
; Status GdipDrawImagePointRect(GpGraphics* graphics, GpImage* image, FLOAT x, FLOAT y, FLOAT srcx, FLOAT srcy, FLOAT srcwidth, FLOAT srcheight, Unit srcUnit)
#uselib "gdiplus.dll"
#cfunc global GdipDrawImagePointRect "GdipDrawImagePointRect" var, var, float, float, float, float, float, float, int
; res = GdipDrawImagePointRect(graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit)
; graphics : GpGraphics* in/out -> "var"
; image : GpImage* in/out -> "var"
; x : FLOAT -> "float"
; y : FLOAT -> "float"
; srcx : FLOAT -> "float"
; srcy : FLOAT -> "float"
; srcwidth : FLOAT -> "float"
; srcheight : FLOAT -> "float"
; srcUnit : Unit -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。
import (
	"math"
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	gdiplus = windows.NewLazySystemDLL("gdiplus.dll")
	procGdipDrawImagePointRect = gdiplus.NewProc("GdipDrawImagePointRect")
)

// graphics (GpGraphics* in/out), image (GpImage* in/out), x (FLOAT), y (FLOAT), srcx (FLOAT), srcy (FLOAT), srcwidth (FLOAT), srcheight (FLOAT), srcUnit (Unit)
r1, _, err := procGdipDrawImagePointRect.Call(
	uintptr(graphics),
	uintptr(image),
	uintptr(math.Float32bits(x)),
	uintptr(math.Float32bits(y)),
	uintptr(math.Float32bits(srcx)),
	uintptr(math.Float32bits(srcy)),
	uintptr(math.Float32bits(srcwidth)),
	uintptr(math.Float32bits(srcheight)),
	uintptr(srcUnit),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status
// 注意: float/double 引数は proc.Call では XMM レジスタに渡せません。
// windows.SyscallN(proc.Addr(), math.Float64bits(x), ...) もしくは cgo を使用してください。
function GdipDrawImagePointRect(
  graphics: Pointer;   // GpGraphics* in/out
  image: Pointer;   // GpImage* in/out
  x: Single;   // FLOAT
  y: Single;   // FLOAT
  srcx: Single;   // FLOAT
  srcy: Single;   // FLOAT
  srcwidth: Single;   // FLOAT
  srcheight: Single;   // FLOAT
  srcUnit: Integer   // Unit
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipDrawImagePointRect';
result := DllCall("gdiplus\GdipDrawImagePointRect"
    , "Ptr", graphics   ; GpGraphics* in/out
    , "Ptr", image   ; GpImage* in/out
    , "Float", x   ; FLOAT
    , "Float", y   ; FLOAT
    , "Float", srcx   ; FLOAT
    , "Float", srcy   ; FLOAT
    , "Float", srcwidth   ; FLOAT
    , "Float", srcheight   ; FLOAT
    , "Int", srcUnit   ; Unit
    , "Int")   ; return: Status
●GdipDrawImagePointRect(graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit) = DLL("gdiplus.dll", "int GdipDrawImagePointRect(void*, void*, float, float, float, float, float, float, int)")
# 呼び出し: GdipDrawImagePointRect(graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit)
# graphics : GpGraphics* in/out -> "void*"
# image : GpImage* in/out -> "void*"
# x : FLOAT -> "float"
# y : FLOAT -> "float"
# srcx : FLOAT -> "float"
# srcy : FLOAT -> "float"
# srcwidth : FLOAT -> "float"
# srcheight : FLOAT -> "float"
# srcUnit : Unit -> "int"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。
const std = @import("std");

extern "gdiplus" fn GdipDrawImagePointRect(
    graphics: [*c]GpGraphics, // GpGraphics* in/out
    image: [*c]GpImage, // GpImage* in/out
    x: f32, // FLOAT
    y: f32, // FLOAT
    srcx: f32, // FLOAT
    srcy: f32, // FLOAT
    srcwidth: f32, // FLOAT
    srcheight: f32, // FLOAT
    srcUnit: i32 // Unit
) callconv(std.os.windows.WINAPI) i32;
proc GdipDrawImagePointRect(
    graphics: ptr GpGraphics,  # GpGraphics* in/out
    image: ptr GpImage,  # GpImage* in/out
    x: float32,  # FLOAT
    y: float32,  # FLOAT
    srcx: float32,  # FLOAT
    srcy: float32,  # FLOAT
    srcwidth: float32,  # FLOAT
    srcheight: float32,  # FLOAT
    srcUnit: int32  # Unit
): int32 {.importc: "GdipDrawImagePointRect", stdcall, dynlib: "gdiplus.dll".}
pragma(lib, "gdiplus");
extern(Windows)
int GdipDrawImagePointRect(
    GpGraphics* graphics,   // GpGraphics* in/out
    GpImage* image,   // GpImage* in/out
    float x,   // FLOAT
    float y,   // FLOAT
    float srcx,   // FLOAT
    float srcy,   // FLOAT
    float srcwidth,   // FLOAT
    float srcheight,   // FLOAT
    int srcUnit   // Unit
);
ccall((:GdipDrawImagePointRect, "gdiplus.dll"), stdcall, Int32,
      (Ptr{GpGraphics}, Ptr{GpImage}, Float32, Float32, Float32, Float32, Float32, Float32, Int32),
      graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit)
# graphics : GpGraphics* in/out -> Ptr{GpGraphics}
# image : GpImage* in/out -> Ptr{GpImage}
# x : FLOAT -> Float32
# y : FLOAT -> Float32
# srcx : FLOAT -> Float32
# srcy : FLOAT -> Float32
# srcwidth : FLOAT -> Float32
# srcheight : FLOAT -> Float32
# srcUnit : Unit -> Int32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t GdipDrawImagePointRect(
    void* graphics,
    void* image,
    float x,
    float y,
    float srcx,
    float srcy,
    float srcwidth,
    float srcheight,
    int32_t srcUnit);
]]
local gdiplus = ffi.load("gdiplus")
-- gdiplus.GdipDrawImagePointRect(graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit)
-- graphics : GpGraphics* in/out
-- image : GpImage* in/out
-- x : FLOAT
-- y : FLOAT
-- srcx : FLOAT
-- srcy : FLOAT
-- srcwidth : FLOAT
-- srcheight : FLOAT
-- srcUnit : Unit
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
const koffi = require('koffi');
const lib = koffi.load('gdiplus.dll');
const GdipDrawImagePointRect = lib.func('__stdcall', 'GdipDrawImagePointRect', 'int32_t', ['void *', 'void *', 'float', 'float', 'float', 'float', 'float', 'float', 'int32_t']);
// GdipDrawImagePointRect(graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit)
// graphics : GpGraphics* in/out -> 'void *'
// image : GpImage* in/out -> 'void *'
// x : FLOAT -> 'float'
// y : FLOAT -> 'float'
// srcx : FLOAT -> 'float'
// srcy : FLOAT -> 'float'
// srcwidth : FLOAT -> 'float'
// srcheight : FLOAT -> 'float'
// srcUnit : Unit -> 'int32_t'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。
const lib = Deno.dlopen("gdiplus.dll", {
  GdipDrawImagePointRect: { parameters: ["pointer", "pointer", "f32", "f32", "f32", "f32", "f32", "f32", "i32"], result: "i32" },
});
// lib.symbols.GdipDrawImagePointRect(graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit)
// graphics : GpGraphics* in/out -> "pointer"
// image : GpImage* in/out -> "pointer"
// x : FLOAT -> "f32"
// y : FLOAT -> "f32"
// srcx : FLOAT -> "f32"
// srcy : FLOAT -> "f32"
// srcwidth : FLOAT -> "f32"
// srcheight : FLOAT -> "f32"
// srcUnit : Unit -> "i32"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。
<?php
$ffi = FFI::cdef(<<<C
int32_t GdipDrawImagePointRect(
    void* graphics,
    void* image,
    float x,
    float y,
    float srcx,
    float srcy,
    float srcwidth,
    float srcheight,
    int32_t srcUnit);
C, "gdiplus.dll");
// $ffi->GdipDrawImagePointRect(graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit);
// graphics : GpGraphics* in/out
// image : GpImage* in/out
// x : FLOAT
// y : FLOAT
// srcx : FLOAT
// srcy : FLOAT
// srcwidth : FLOAT
// srcheight : FLOAT
// srcUnit : Unit
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。
import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Gdiplus extends StdCallLibrary {
    Gdiplus INSTANCE = Native.load("gdiplus", Gdiplus.class);
    int GdipDrawImagePointRect(
        Pointer graphics,   // GpGraphics* in/out
        Pointer image,   // GpImage* in/out
        float x,   // FLOAT
        float y,   // FLOAT
        float srcx,   // FLOAT
        float srcy,   // FLOAT
        float srcwidth,   // FLOAT
        float srcheight,   // FLOAT
        int srcUnit   // Unit
    );
}
@[Link("gdiplus")]
lib Libgdiplus
  fun GdipDrawImagePointRect = GdipDrawImagePointRect(
    graphics : GpGraphics*,   # GpGraphics* in/out
    image : GpImage*,   # GpImage* in/out
    x : Float32,   # FLOAT
    y : Float32,   # FLOAT
    srcx : Float32,   # FLOAT
    srcy : Float32,   # FLOAT
    srcwidth : Float32,   # FLOAT
    srcheight : Float32,   # FLOAT
    srcUnit : Int32   # Unit
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。
import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef GdipDrawImagePointRectNative = Int32 Function(Pointer<Void>, Pointer<Void>, Float, Float, Float, Float, Float, Float, Int32);
typedef GdipDrawImagePointRectDart = int Function(Pointer<Void>, Pointer<Void>, double, double, double, double, double, double, int);
final GdipDrawImagePointRect = DynamicLibrary.open('gdiplus.dll')
    .lookupFunction<GdipDrawImagePointRectNative, GdipDrawImagePointRectDart>('GdipDrawImagePointRect');
// graphics : GpGraphics* in/out -> Pointer<Void>
// image : GpImage* in/out -> Pointer<Void>
// x : FLOAT -> Float
// y : FLOAT -> Float
// srcx : FLOAT -> Float
// srcy : FLOAT -> Float
// srcwidth : FLOAT -> Float
// srcheight : FLOAT -> Float
// srcUnit : Unit -> Int32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function GdipDrawImagePointRect(
  graphics: Pointer;   // GpGraphics* in/out
  image: Pointer;   // GpImage* in/out
  x: Single;   // FLOAT
  y: Single;   // FLOAT
  srcx: Single;   // FLOAT
  srcy: Single;   // FLOAT
  srcwidth: Single;   // FLOAT
  srcheight: Single;   // FLOAT
  srcUnit: Integer   // Unit
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipDrawImagePointRect';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "GdipDrawImagePointRect"
  c_GdipDrawImagePointRect :: Ptr () -> Ptr () -> CFloat -> CFloat -> CFloat -> CFloat -> CFloat -> CFloat -> Int32 -> IO Int32
-- graphics : GpGraphics* in/out -> Ptr ()
-- image : GpImage* in/out -> Ptr ()
-- x : FLOAT -> CFloat
-- y : FLOAT -> CFloat
-- srcx : FLOAT -> CFloat
-- srcy : FLOAT -> CFloat
-- srcwidth : FLOAT -> CFloat
-- srcheight : FLOAT -> CFloat
-- srcUnit : Unit -> Int32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。
open Ctypes
open Foreign

let gdipdrawimagepointrect =
  foreign "GdipDrawImagePointRect"
    ((ptr void) @-> (ptr void) @-> float @-> float @-> float @-> float @-> float @-> float @-> int32_t @-> returning int32_t)
(* graphics : GpGraphics* in/out -> (ptr void) *)
(* image : GpImage* in/out -> (ptr void) *)
(* x : FLOAT -> float *)
(* y : FLOAT -> float *)
(* srcx : FLOAT -> float *)
(* srcy : FLOAT -> float *)
(* srcwidth : FLOAT -> float *)
(* srcheight : FLOAT -> float *)
(* srcUnit : Unit -> int32_t *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)
(cffi:define-foreign-library gdiplus (t "gdiplus.dll"))
(cffi:use-foreign-library gdiplus)

(cffi:defcfun ("GdipDrawImagePointRect" gdip-draw-image-point-rect :convention :stdcall) :int32
  (graphics :pointer)   ; GpGraphics* in/out
  (image :pointer)   ; GpImage* in/out
  (x :float)   ; FLOAT
  (y :float)   ; FLOAT
  (srcx :float)   ; FLOAT
  (srcy :float)   ; FLOAT
  (srcwidth :float)   ; FLOAT
  (srcheight :float)   ; FLOAT
  (src-unit :int32))   ; Unit
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $GdipDrawImagePointRect = Win32::API::More->new('gdiplus',
    'int GdipDrawImagePointRect(LPVOID graphics, LPVOID image, float x, float y, float srcx, float srcy, float srcwidth, float srcheight, int srcUnit)');
# my $ret = $GdipDrawImagePointRect->Call($graphics, $image, $x, $y, $srcx, $srcy, $srcwidth, $srcheight, $srcUnit);
# graphics : GpGraphics* in/out -> LPVOID
# image : GpImage* in/out -> LPVOID
# x : FLOAT -> float
# y : FLOAT -> float
# srcx : FLOAT -> float
# srcy : FLOAT -> float
# srcwidth : FLOAT -> float
# srcheight : FLOAT -> float
# srcUnit : Unit -> int
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

関連項目

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